Posts Tagged wheel

Torque Converter Operation Explained

The torque converter is one of the least understood components in an automatic transmission equipped vehicle. I will attempt to explain what it does and how it does it.

The torque converter has a few different functions.

We first need to understand that there is no direct link between the crankshaft and the transmission input shaft (except in the case of a lock up style converter, but we’ll talk about that later). This means that the first function of the converter is to connect the crankshaft and the input shaft so the engine can move the vehicle; this is accomplished through the utilization of a fluidic coupling effect.

The torque converter also replaces the clutch that is required in a manual transmission; this is how an automatic transmission vehicle can come to a stop while still being in gear without stalling the engine.

The torque converter also acts as a torque multiplier, or extra gear ratio, to help the car get moving from a stop. In modern day converters this theoretical ratio is anywhere between 21 and 31.

Torque converters consist of 4 major components that we need to concern ourselves with for the purpose of explanation.

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Used Power Steering Pump for Jeep and Subaru

Over the past decade, the popularity of power steering or power assisted steering in vehicles has increased so much that today we hardly find a vehicle without it. In fact, now we have different types of power steerings like speed sensitive, electronic, hydraulic etc. The advent of power assisted steering has certainly reduced the effort involved in driving a vehicle.

Jeep and Subaru are two vehicle manufacturers that have been very keen in incorporating high-end power assisted steering systems in all their models right from the start of last decade. A hydraulic power steering system uses the motion from the engine’s crankshaft to drive a pump that eases the effort required to turn the wheels of the vehicle. In case of electronic power steering, this function is carried out by an electric motor thus easing the load off the engine and increasing fuel efficiency. In both cases, the power steering pump is the common hardware.

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